Bump terser from 5.11.0 to 5.14.2 in /frontend (#361)

Bumps [terser](https://github.com/terser/terser) from 5.11.0 to 5.14.2.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/commits)

---
updated-dependencies:
- dependency-name: terser
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ross Barnowski <rossbar@berkeley.edu>

frontend/yarn.lock

@@ -1747,7 +1747,7 @@
     "@jridgewell/set-array" "^1.0.0"
     "@jridgewell/sourcemap-codec" "^1.4.10"
 
-"@jridgewell/gen-mapping@^0.3.2":
+"@jridgewell/gen-mapping@^0.3.0", "@jridgewell/gen-mapping@^0.3.2":
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/@jridgewell/gen-mapping/-/gen-mapping-0.3.2.tgz#c1aedc61e853f2bb9f5dfe6d4442d3b565b253b9"
   integrity sha512-mh65xKQAzI6iBcFzwv28KVWSmCkdRBWoOh+bYQGW3+6OZvbbN3TqMGo5hqYxQniRcH9F2VZIoJCm4pa3BPDK/A==
@@ -1757,15 +1757,23 @@
     "@jridgewell/trace-mapping" "^0.3.9"
 
 "@jridgewell/resolve-uri@^3.0.3":
-  version "3.0.8"
-  resolved "https://registry.yarnpkg.com/@jridgewell/resolve-uri/-/resolve-uri-3.0.8.tgz#687cc2bbf243f4e9a868ecf2262318e2658873a1"
-  integrity sha512-YK5G9LaddzGbcucK4c8h5tWFmMPBvRZ/uyWmN1/SbBdIvqGUdWGkJ5BAaccgs6XbzVLsqbPJrBSFwKv3kT9i7w==
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@jridgewell/resolve-uri/-/resolve-uri-3.1.0.tgz#2203b118c157721addfe69d47b70465463066d78"
+  integrity sha512-F2msla3tad+Mfht5cJq7LSXcdudKTWCVYUgw6pLFOOHSTtZlj6SWNYAp+AhuqLmWdBO2X5hPrLcu8cVP8fy28w==
 
 "@jridgewell/set-array@^1.0.0", "@jridgewell/set-array@^1.0.1":
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/@jridgewell/set-array/-/set-array-1.1.2.tgz#7c6cf998d6d20b914c0a55a91ae928ff25965e72"
   integrity sha512-xnkseuNADM0gt2bs+BvhO0p78Mk762YnZdsuzFV018NoG1Sj1SCQvpSqa7XUaTam5vAGasABV9qXASMKnFMwMw==
 
+"@jridgewell/source-map@^0.3.2":
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/@jridgewell/source-map/-/source-map-0.3.2.tgz#f45351aaed4527a298512ec72f81040c998580fb"
+  integrity sha512-m7O9o2uR8k2ObDysZYzdfhb08VuEml5oWGiosa1VdaPZ/A6QyPkAJuwN0Q1lhULOf6B7MtQmHENS743hWtCrgw==
+  dependencies:
+    "@jridgewell/gen-mapping" "^0.3.0"
+    "@jridgewell/trace-mapping" "^0.3.9"
+
 "@jridgewell/sourcemap-codec@^1.4.10":
   version "1.4.14"
   resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.14.tgz#add4c98d341472a289190b424efbdb096991bb24"
@@ -3110,9 +3118,9 @@ acorn@^7.0.0, acorn@^7.1.1:
   integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
 
 acorn@^8.2.4, acorn@^8.4.1, acorn@^8.5.0, acorn@^8.7.0:
-  version "8.7.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.7.0.tgz#90951fde0f8f09df93549481e5fc141445b791cf"
-  integrity sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==
+  version "8.7.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.7.1.tgz#0197122c843d1bf6d0a5e83220a788f278f63c30"
+  integrity sha512-Xx54uLJQZ19lKygFXOWsscKUbsBZW0CPykPhVQdhIeIwrbPmJzqeASDInc8nKBnp/JT6igTs82qPXz069H8I/A==
 
 address@^1.0.1, address@^1.1.2:
   version "1.1.2"
@@ -10455,7 +10463,7 @@ source-map@^0.5.0, source-map@^0.5.7:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
 
-source-map@^0.7.3, source-map@~0.7.2:
+source-map@^0.7.3:
   version "0.7.3"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.7.3.tgz#5302f8169031735226544092e64981f751750383"
   integrity sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==
@@ -10927,13 +10935,13 @@ terser-webpack-plugin@^5.1.3, terser-webpack-plugin@^5.2.5:
     terser "^5.7.2"
 
 terser@^5.0.0, terser@^5.10.0, terser@^5.7.2:
-  version "5.11.0"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-5.11.0.tgz#2da5506c02e12cd8799947f30ce9c5b760be000f"
-  integrity sha512-uCA9DLanzzWSsN1UirKwylhhRz3aKPInlfmpGfw8VN6jHsAtu8HJtIpeeHHK23rxnE/cDc+yvmq5wqkIC6Kn0A==
+  version "5.14.2"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-5.14.2.tgz#9ac9f22b06994d736174f4091aa368db896f1c10"
+  integrity sha512-oL0rGeM/WFQCUd0y2QrWxYnq7tfSuKBiqTjRPWrRgB46WD/kiwHwF8T23z78H6Q6kGCuuHcPB+KULHRdxvVGQA==
   dependencies:
+    "@jridgewell/source-map" "^0.3.2"
     acorn "^8.5.0"
     commander "^2.20.0"
-    source-map "~0.7.2"
     source-map-support "~0.5.20"
 
 test-exclude@^6.0.0: