Coin: Add update repo instructions

These tell Coin the repos that the commands will require. Otherwise
there is possibility that those repositories are out of date.

Pick-to: 6.10 6.9 6.8
Change-Id: Ie61b5faa6f321b666f3f6a829ba4d333cb3eb6f1
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

coin/instructions/coin_build_doc_tools.yaml

@@ -13,6 +13,10 @@ instructions:
     variableName: QT_CI_DOC_TOOLS_INSTALL_DIR
     variableValue: "{{.BuildDir}}/doc_tools_build/install"
 
+  # Tell Coin to fetch latest refs of required repos.
+  - type: UpdateRepo
+    repos: [qt/qt5, qt/qttools, qt/qtbase, qt/qtshadertools, qt/qtdeclarative, qt/qtsvg, qt/qtimageformats, qt/qtactiveqt, qt/qtlanguageserver]
+
   - type: ExecuteCommand
     command: "{{.Env.ENV_PREFIX}} cmake -P {{.SourceDir}}/cmake/QtBuildStaticDocToolsScript.cmake"
     executeCommandArgumentSplitingBehavior: SplitAfterVariableSubstitution

coin/instructions/prepare_license_test.yaml

@@ -17,6 +17,10 @@ instructions:
         env_var: TESTED_MODULE_BRANCH_COIN
         contains_value: "tqtc/"
 
+    # Tell Coin to fetch latest refs of required repos.
+    - type: UpdateRepo
+      repos: [qt/qtqa]
+
     # The command must not have whitespace directly after any piping,
     # as whitespace directly after pipes will be interpreted as part of the command.
     - type: ExecuteCommand