Bump pygments from 2.6.1 to 2.7.4 (#733)

* Bump pygments from 2.6.1 to 2.7.4

Bumps [pygments](https://github.com/pygments/pygments) from 2.6.1 to 2.7.4.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.6.1...2.7.4)

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

* Raise key length to match new requirements

Ubuntu 20.04 updated requirements causing "[SSL: EE_KEY_TOO_SMALL] ee key too small" error:
https://bugs.launchpad.net/ubuntu/+source/gnutls28/+bug/1856428

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Denis Otkidach <denis.otkidach@gmail.com>

.github/workflows/tests.yml

@@ -5,7 +5,7 @@ name: Tests
 
 on:
   push:
-    branches: [ master ]
+    branches: [ master, '**' ]
     tags:
       - "v0.[0-9]+.[0-9]+"
       - "v0.[0-9]+.[0-9]+.dev*"

gen-ssl-certs.sh

@@ -135,7 +135,7 @@ EOF
     else
 	# Standard OpenSSL keys
 	echo "############ Generating key"
-	openssl genrsa -des3 -passout "pass:$PASS" -out ${PFX}client.key 1024 
+	openssl genrsa -des3 -passout "pass:$PASS" -out ${PFX}client.key 2048
 
 	echo "############ Generating request"
 	openssl req -passin "pass:$PASS" -passout "pass:$PASS" -key ${PFX}client.key -new -out ${PFX}client.req \

requirements-ci.txt

@@ -11,7 +11,7 @@ lz4==3.1.0
 xxhash==1.4.3
 python-snappy==0.5.4
 docutils==0.16
-Pygments==2.6.1
+Pygments==2.7.4
 gssapi==1.6.5
 dataclasses==0.5; python_version<"3.7"
 async_generator==1.10; python_version<"3.7"