Update my name and email address.

SadieCat · SadieCat · commit 4f4e018ecaf4 · 2019-12-31T20:56:21.000+01:00
diff --git a/.mailmap b/.mailmap
@@ -0,0 +1 @@
+Sadie Powell <sadie@witchery.services>       Peter Powell <petpow@saberuk.com>

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	`1`	`+Sadie Powell <[email protected]> Peter Powell <[email protected]>`