adapt to the master->main branch rename (#321)

Author: hemidactylus

.github/workflows/hcd.yaml

@@ -3,10 +3,10 @@ name: Run idiomatic pytest on HCD
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
 
 jobs:
   test:

.github/workflows/lint.yml

@@ -3,10 +3,10 @@ name: ruff and mypy checks
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
 
 jobs:
   mypy:

.github/workflows/main.yml

@@ -3,10 +3,10 @@ name: Run idiomatic pytest on Astra DB
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
 
 jobs:
   test:

CHANGES

@@ -1,5 +1,6 @@
 v 2.0.0
 =======
+Rename main branch from 'master' ==> `main`
 Removal of several deprecated modules/features from previous versions:
     - 'core' (i.e. pre-1.0) library
     - 'collection.bulk_write' and the associated result and exception classes
@@ -19,6 +20,7 @@ Removal of several deprecated modules/features from previous versions:
     - 'delete_all' method of Collection and AsyncCollection (use `delete_many({})`)
 Removal of unused imports from toplevel __init__.py (ids, constants, cursors)
 
+
 v. 1.5.2
 ========
 Bugfix: `Database.get_collection` uses callers inheritance (same for async)

CONTRIBUTING.md

@@ -54,7 +54,7 @@ Before you submit your Pull Request (PR) consider the following guidelines:
   * Rebase your fork and force push to your GitHub repository (this will update your Pull Request):
 
     ```shell
-    git rebase master -i
+    git rebase main -i
     git push -f
     ```
 

README.md

@@ -114,7 +114,7 @@ For more on this case, please consult the [dedicated reference](https://docs.dat
 AstraPy's abstractions for working at the data and admin layers are structured
 as depicted by this diagram:
 
-![AstraPy, abstractions chart](https://raw.githubusercontent.com/datastax/astrapy/master/pictures/astrapy_abstractions.png)
+![AstraPy, abstractions chart](https://raw.githubusercontent.com/datastax/astrapy/main/pictures/astrapy_abstractions.png)
 
 Here's a small admin-oriented example:
 
@@ -144,7 +144,7 @@ my_database_admin.create_keyspace("my_dreamspace")
 
 The package comes with its own set of exceptions, arranged in this hierarchy:
 
-![AstraPy, exception hierarchy](https://raw.githubusercontent.com/datastax/astrapy/master/pictures/astrapy_exceptions.png)
+![AstraPy, exception hierarchy](https://raw.githubusercontent.com/datastax/astrapy/main/pictures/astrapy_exceptions.png)
 
 For more information, and code examples, check out the docstrings and consult
 the API reference linked above.