github actions: set vscode extension to current in marketplace

.github/workflows/publish.yml

@@ -24,8 +24,10 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
         cache: 'npm'
+    - run: npm install -g vsce
     - run: npm ci
+    - name: Set package version to latest
+      run: bash extension-version.sh
     - run: npm run build --if-present
     - run: npm run test
-    - run: npm install -g vsce
     - run: vsce publish patch

extension-version.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+info=$(vsce show MuleSoftInc.aml-vscode)
+regex="(Version:)(.*)"
+if [[ $info =~ Version:[[:blank:]]+([[:digit:]]+.[[:digit:]]+.[[:digit:]]+) ]]
+then
+    version="${BASH_REMATCH[1]}"
+    echo "${version}"    # concatenate strings
+    npm --no-git-tag-version --allow-same-version version $version
+else
+    echo "$info doesn't match" >&2 # this could get noisy if there are a lot of non-matching files
+fi