build(meta): Add requirements.txt file

requirements.in

@@ -0,0 +1,5 @@
+requests
+click
+towncrier
+semver
+pytest

requirements.txt

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+#
+# This file is autogenerated by pip-compile with python 3.10
+# To update, run:
+#
+#    pip-compile
+#
+attrs==21.4.0
+    # via pytest
+certifi==2021.10.8
+    # via requests
+charset-normalizer==2.0.12
+    # via requests
+click==8.1.3
+    # via
+    #   -r requirements.in
+    #   click-default-group
+    #   towncrier
+click-default-group==1.2.2
+    # via towncrier
+idna==3.3
+    # via requests
+incremental==21.3.0
+    # via towncrier
+iniconfig==1.1.1
+    # via pytest
+jinja2==3.1.2
+    # via towncrier
+markupsafe==2.1.1
+    # via jinja2
+packaging==21.3
+    # via pytest
+pluggy==1.0.0
+    # via pytest
+py==1.11.0
+    # via pytest
+pyparsing==3.0.8
+    # via packaging
+pytest==7.1.2
+    # via -r requirements.in
+requests==2.27.1
+    # via -r requirements.in
+semver==2.13.0
+    # via -r requirements.in
+tomli==2.0.1
+    # via
+    #   pytest
+    #   towncrier
+towncrier==21.9.0
+    # via -r requirements.in
+urllib3==1.26.9
+    # via requests
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools