fix: Switching to local codecov script (#14170)

* Switching to local codecov script

* Adding license / update instructions

* Fixing FE build

* Fixing FE codecov test

.github/workflows/bashlib.sh

@@ -131,12 +131,7 @@ testdata() {
 
 codecov() {
   say "::group::Upload code coverage"
-  local codecovScript="${HOME}/codecov.sh"
-  # download bash script if needed
-  if [[ ! -f "$codecovScript" ]]; then
-    curl -s https://codecov.io/bash >"$codecovScript"
-  fi
-  bash "$codecovScript" "$@"
+  bash ".github/workflows/codecov.sh" "$@"
   say "::endgroup::"
 }
 

.github/workflows/superset-frontend.yml

@@ -44,5 +44,4 @@ jobs:
       - name: Upload code coverage
         if: steps.check.outcome == 'failure'
         working-directory: ./superset-frontend
-        run: |
-          bash <(curl -s https://codecov.io/bash) -c -F javascript
+        run: ../.github/workflows/codecov.sh -c -F javascript

.github/workflows/superset-python-presto-hive.yml

@@ -81,7 +81,7 @@ jobs:
       - name: Upload code coverage
         if: steps.check.outcome == 'failure'
         run: |
-          bash <(curl -s https://codecov.io/bash) -c -F python -F presto
+          bash .github/workflows/codecov.sh -c -F python -F presto
 
   test-postgres-hive:
     if: github.event.pull_request.draft == false
@@ -156,4 +156,4 @@ jobs:
       - name: Upload code coverage
         if: steps.check.outcome == 'failure'
         run: |
-          bash <(curl -s https://codecov.io/bash) -c -F python -F hive
+          bash .github/workflows/codecov.sh -c -F python -F hive

.github/workflows/superset-python-unittest.yml

@@ -70,7 +70,7 @@ jobs:
       - name: Upload code coverage
         if: steps.check.outcome == 'failure'
         run: |
-          bash <(curl -s https://codecov.io/bash) -c -F python -F mysql
+          bash .github/workflows/codecov.sh -c -F python -F mysql
 
   test-postgres:
     if: github.event.pull_request.draft == false
@@ -134,7 +134,7 @@ jobs:
       - name: Upload code coverage
         if: steps.check.outcome == 'failure'
         run: |
-          bash <(curl -s https://codecov.io/bash) -c -F python -F postgres
+          bash .github/workflows/codecov.sh -c -F python -F postgres
 
   test-sqlite:
     if: github.event.pull_request.draft == false
@@ -190,4 +190,4 @@ jobs:
       - name: Upload code coverage
         if: steps.check.outcome == 'failure'
         run: |
-          bash <(curl -s https://codecov.io/bash) -c -F python -F sqlite
+          bash .github/workflows/codecov.sh -c -F python -F sqlite