ci: Fix Cloudsmith installation by setting PATH

.github/workflows/release.yml

@@ -27,10 +27,6 @@ jobs:
     - name: Unshallowify the repo clone
       run: git fetch --prune --unshallow
 
-    # Cloudsmith CLI tooling for pushing releases
-    - name: Install Cloudsmith CLI
-      run: pip install --upgrade cloudsmith-cli
-
     # https://github.community/t5/GitHub-Actions/How-to-get-just-the-tag-name/m-p/32167/highlight/true#M1027
     - name: Print Go version and environment
       id: vars
@@ -45,6 +41,9 @@ jobs:
         echo "::set-output name=short_sha::$(git rev-parse --short HEAD)"
         echo "::set-output name=go_cache::$(go env GOCACHE)"
 
+        # Add "pip install" CLI tools to PATH
+        echo ~/.local/bin >> $GITHUB_PATH
+
         # Parse semver
         TAG=${GITHUB_REF/refs\/tags\//}
         SEMVER_RE='[^0-9]*\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)\([0-9A-Za-z\.-]*\)'
@@ -57,6 +56,11 @@ jobs:
         echo "::set-output name=tag_patch::${TAG_PATCH}"
         echo "::set-output name=tag_special::${TAG_SPECIAL}"
 
+    # Cloudsmith CLI tooling for pushing releases
+    # See https://help.cloudsmith.io/docs/cli
+    - name: Install Cloudsmith CLI
+      run: pip install --upgrade cloudsmith-cli
+
     - name: Validate commits and tag signatures
       run: |