Fix 18 code scanning alerts

[austenstone]

This PR contains autofixes for 18 code scanning alerts from GitHub Advanced Security.

The following alerts were fixed:

Alert #	Rule ID	Description	Severity	File	Line	Message
#18	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.yml	69	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#17	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.yml	59	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#16	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.yml	50	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#15	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.yml	42	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#14	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.yml	35	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#13	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.yml	29	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#12	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.yml	24	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#11	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/build-test-deploy.yml	12	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#10	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.yml	14	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#9	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.yml	8	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#8	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.terraform.yml	21	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{contents: read}}
#7	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.test.yml	13	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{contents: read}}
#6	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.docker.yml	53	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{contents: read}}
#5	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.lint.yml	8	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{contents: read}}
#4	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.docker.yml	28	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{contents: read}}
#3	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.build.yml	17	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{contents: read}}
#2	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.azure.web.static.deploy.yml	16	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}
#1	actions/missing-workflow-permissions	Workflow does not contain permissions	medium	.github/workflows/angular.azure.web.app.deploy.yml	16	Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {{}}

Please review the changes before merging.