Use .sh file extension for all Bash scripts (#10499)

The `.sh` file extension is now used for all Bash scripts. This ensures
the files are recognized as Bash scripts by the ShellCheck CI job, and
by editors/IDEs for improved syntax highlighting.

.circleci/config.yml

@@ -118,9 +118,9 @@ jobs:
       - run:
           name: Create GitHub Pull Request for version
           command: |
-            .circleci/scripts/release-bump-changelog-version
-            .circleci/scripts/release-bump-manifest-version
-            .circleci/scripts/release-create-release-pr
+            .circleci/scripts/release-bump-changelog-version.sh
+            .circleci/scripts/release-bump-manifest-version.sh
+            .circleci/scripts/release-create-release-pr.sh
 
   prep-deps:
     executor: node-browsers
@@ -257,7 +257,7 @@ jobs:
           at: .
       - run:
           name: yarn audit
-          command: .circleci/scripts/yarn-audit
+          command: .circleci/scripts/yarn-audit.sh
 
   test-e2e-chrome:
     executor: node-browsers
@@ -277,7 +277,7 @@ jobs:
       - run:
           name: test:e2e:chrome
           command: |
-            if .circleci/scripts/test-run-e2e
+            if .circleci/scripts/test-run-e2e.sh
             then
               yarn test:e2e:chrome
             fi
@@ -304,7 +304,7 @@ jobs:
       - run:
           name: test:e2e:chrome:metrics
           command: |
-            if .circleci/scripts/test-run-e2e
+            if .circleci/scripts/test-run-e2e.sh
             then
               yarn test:e2e:chrome:metrics
             fi
@@ -319,7 +319,7 @@ jobs:
       - checkout
       - run:
           name: Install Firefox
-          command: ./.circleci/scripts/firefox-install
+          command: ./.circleci/scripts/firefox-install.sh
       - attach_workspace:
           at: .
       - run:
@@ -331,7 +331,7 @@ jobs:
       - run:
           name: test:e2e:firefox
           command: |
-            if .circleci/scripts/test-run-e2e
+            if .circleci/scripts/test-run-e2e.sh
             then
               yarn test:e2e:firefox
             fi
@@ -346,7 +346,7 @@ jobs:
       - checkout
       - run:
           name: Install Firefox
-          command: ./.circleci/scripts/firefox-install
+          command: ./.circleci/scripts/firefox-install.sh
       - attach_workspace:
           at: .
       - run:
@@ -358,7 +358,7 @@ jobs:
       - run:
           name: test:e2e:firefox:metrics
           command: |
-            if .circleci/scripts/test-run-e2e
+            if .circleci/scripts/test-run-e2e.sh
             then
               yarn test:e2e:firefox:metrics
             fi
@@ -419,7 +419,7 @@ jobs:
       # this fix included: https://github.com/LavaMoat/LavaMoat/pull/121
       - run:
           name: build:lavamoat-viz
-          command: ./.circleci/scripts/create-lavamoat-viz
+          command: ./.circleci/scripts/create-lavamoat-viz.sh
       - store_artifacts:
           path: build-artifacts
           destination: build-artifacts
@@ -442,10 +442,10 @@ jobs:
       - run:
           name: Create GitHub release
           command: |
-            .circleci/scripts/release-create-gh-release
+            .circleci/scripts/release-create-gh-release.sh
       - run:
           name: Create GitHub Pull Request to sync master with develop
-          command: .circleci/scripts/release-create-master-pr
+          command: .circleci/scripts/release-create-master-pr.sh
 
   job-publish-storybook:
     executor: node-browsers