Rebase to Python 3.9.6 - Alpine 3.14

## [1.7.6](https://gitlab.evanrichardsonphotography.com/erichardson/py-eagle-mqtt/compare/v1.7.5...v1.7.6) (2021-05-10)

### Build

* Change docker driver to overlay2 ([13cb517](13cb51706b))

.gitlab-ci.yml

@@ -16,7 +16,7 @@ stages:
     - name: docker:20.10.6-dind
       command: ["--tls=false"]
   variables:
-    DOCKER_DRIVER: overlay
+    DOCKER_DRIVER: overlay2
     DOCKER_HOST: tcp://127.0.0.1:2375/
     DOCKER_TLS_CERTDIR: ""
     IMAGE_TAG: "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG"
@@ -83,6 +83,9 @@ release:
     - /^(([0-9]+)\.)?([0-9]+)\.x/
     # This matches pre-releases
     - /^([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?$/ 
+  except:
+    refs:
+      - tags
   script:
     - touch CHANGELOG.md
     - apk add --no-cache git

CHANGELOG.md

@@ -1,3 +1,10 @@
+## [1.7.6](https://gitlab.evanrichardsonphotography.com/erichardson/py-eagle-mqtt/compare/v1.7.5...v1.7.6) (2021-05-10)
+
+
+### Build
+
+* Change docker driver to overlay2 ([13cb517](https://gitlab.evanrichardsonphotography.com/erichardson/py-eagle-mqtt/commit/13cb51706b97f25486f62dd6985903e834d28ee2))
+
 ## [1.7.5](https://gitlab.evanrichardsonphotography.com/erichardson/py-eagle-mqtt/compare/v1.7.4...v1.7.5) (2021-05-09)
 
 

Docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.9.4-alpine3.13
+FROM python:3.9.6-alpine3.14
 LABEL maintainer="Evan Richardson (evanrich81[at]gmail.com)"
 
 ARG BUILD_DATE