build(deps): bump importlib-metadata from 3.1.1 to 3.4.0

Bumps [importlib-metadata](https://github.com/python/importlib_metadata) from 3.1.1 to 3.4.0.
- [Release notes](https://github.com/python/importlib_metadata/releases)
- [Changelog](https://github.com/python/importlib_metadata/blob/main/CHANGES.rst)
- [Commits](python/importlib_metadata@v3.1.1...v3.4.0)

Signed-off-by: dependabot[bot] <support@github.com>

test-requirements.txt

@@ -103,17 +103,17 @@ imagesize==1.2.0 \
     --hash=sha256:6965f19a6a2039c7d48bca7dba2473069ff854c36ae6f19d2cde309d998228a1 \
     --hash=sha256:b1f6b5a4eab1f73479a50fb79fcf729514a900c341d8503d62a62dbc4127a2b1 \
     # via sphinx
-importlib-metadata==3.1.1 \
-    --hash=sha256:6112e21359ef8f344e7178aa5b72dc6e62b38b0d008e6d3cb212c5b84df72013 \
-    --hash=sha256:b0c2d3b226157ae4517d9625decf63591461c66b3a808c2666d538946519d170 \
+importlib-metadata==3.4.0 \
+    --hash=sha256:ace61d5fc652dc280e7b6b4ff732a9c2d40db2c0f92bc6cb74e07b73d53a1771 \
+    --hash=sha256:fa5daa4477a7414ae34e95942e4dd07f62adf589143c875c133c1e53c4eff38d \
     # via -r test-requirements.in, flake8, pluggy, pytest
 iniconfig==1.1.1 \
     --hash=sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3 \
     --hash=sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32 \
     # via pytest
-isort==5.6.4 \
-    --hash=sha256:dcab1d98b469a12a1a624ead220584391648790275560e1a43e54c5dceae65e7 \
-    --hash=sha256:dcaeec1b5f0eca77faea2a35ab790b4f3680ff75590bfcb7145986905aab2f58 \
+isort==5.7.0 \
+    --hash=sha256:c729845434366216d320e936b8ad6f9d681aab72dc7cbc2d51bedc3582f3ad1e \
+    --hash=sha256:fff4f0c04e1825522ce6949973e83110a6e907750cd92d128b0d14aaaadbffdc \
     # via pylint
 jinja2==2.11.2 \
     --hash=sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0 \
@@ -193,9 +193,9 @@ mypy-extensions==0.4.3 \
     --hash=sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d \
     --hash=sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8 \
     # via black
-packaging==20.4 \
-    --hash=sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8 \
-    --hash=sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181 \
+packaging==20.8 \
+    --hash=sha256:24e0da08660a87484d1602c30bb4902d74816b6985b93de36926f5bc95741858 \
+    --hash=sha256:78598185a7008a470d64526a8059de9aaa449238f280fc9eb6b13ba6c4109093 \
     # via -r test-requirements.in, pytest, sphinx
 pathspec==0.8.1 \
     --hash=sha256:86379d6b86d75816baba717e64b1a3a3469deb93bb76d613c9ce79edc5cb68fd \
@@ -205,9 +205,9 @@ pluggy==0.13.1 \
     --hash=sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0 \
     --hash=sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d \
     # via -r test-requirements.in, pytest
-py==1.9.0 \
-    --hash=sha256:366389d1db726cd2fcfc79732e75410e5fe4d31db13692115529d34069a043c2 \
-    --hash=sha256:9ca6883ce56b4e8da7e79ac18787889fa5206c79dcc67fb065376cd2fe03f342 \
+py==1.10.0 \
+    --hash=sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3 \
+    --hash=sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a \
     # via -r test-requirements.in, pytest
 pycodestyle==2.6.0 \
     --hash=sha256:2295e7b2f6b5bd100585ebcb1f616591b652db8a741695b3d8f5d28bdc934367 \
@@ -245,9 +245,9 @@ pytest==6.1.2 \
     --hash=sha256:4288fed0d9153d9646bfcdf0c0428197dba1ecb27a33bb6e031d002fa88653fe \
     --hash=sha256:c0a7e94a8cdbc5422a51ccdad8e6f1024795939cc89159a0ae7f0b316ad3823e \
     # via -r test-requirements.in, pytest-asyncio, pytest-cov, pytest-mock
-pytz==2020.4 \
-    --hash=sha256:3e6b7dd2d1e0a59084bcee14a17af60c5c562cdc16d828e8eba2e683d3a7e268 \
-    --hash=sha256:5c55e189b682d420be27c6995ba6edce0c0a77dd67bfbe2ae6607134d5851ffd \
+pytz==2020.5 \
+    --hash=sha256:16962c5fb8db4a8f63a26646d8886e9d769b6c511543557bc84e9569fb9a9cb4 \
+    --hash=sha256:180befebb1927b16f6b57101720075a984c019ac16b1b7575673bea42c6c3da5 \
     # via babel
 regex==2020.11.13 \
     --hash=sha256:02951b7dacb123d8ea6da44fe45ddd084aa6777d4b2454fa0da61d569c6fa538 \
@@ -299,14 +299,14 @@ requests==2.25.0 \
 six==1.15.0 \
     --hash=sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259 \
     --hash=sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced \
-    # via -r test-requirements.in, astroid, packaging
+    # via -r test-requirements.in, astroid
 snowballstemmer==2.0.0 \
     --hash=sha256:209f257d7533fdb3cb73bdbd24f436239ca3b2fa67d56f6ff88e86be08cc5ef0 \
     --hash=sha256:df3bac3df4c2c01363f3dd2cfa78cce2840a79b9f1c2d2de9ce8d31683992f52 \
     # via sphinx
-sphinx==3.3.1 \
-    --hash=sha256:1e8d592225447104d1172be415bc2972bd1357e3e12fdc76edf2261105db4300 \
-    --hash=sha256:d4e59ad4ea55efbb3c05cde3bfc83bfc14f0c95aa95c3d75346fcce186a47960 \
+sphinx==3.4.3 \
+    --hash=sha256:41cad293f954f7d37f803d97eb184158cfd90f51195131e94875bc07cd08b93c \
+    --hash=sha256:c314c857e7cd47c856d2c5adff514ac2e6495f8b8e0f886a8a37e9305dfea0d8 \
     # via -r test-requirements.in
 sphinxcontrib-applehelp==1.0.2 \
     --hash=sha256:806111e5e962be97c29ec4c1e7fe277bfd19e9652fb1a4392105b43e01af885a \
@@ -372,7 +372,7 @@ typing-extensions==3.7.4.3 \
     --hash=sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918 \
     --hash=sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c \
     --hash=sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f \
-    # via black
+    # via black, importlib-metadata
 urllib3==1.25.11 \
     --hash=sha256:8d7eaa5a82a1cac232164990f04874c594c9453ec55eef02eab885aa02fc17a2 \
     --hash=sha256:f5321fbe4bf3fefa0efd0bfe7fb14e90909eb62a48ccda331726b4319897dd5e \