feat(sterni/ingeborg): make secrets available

Change-Id: I2a39a6e5125e95c4ea10836694b594d068ceda73
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10178
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI

users/sterni/secrets/minecraft-rcon.age

@@ -1,9 +1,12 @@
 age-encryption.org/v1
--> ssh-ed25519 aXKGcg VELHhE9AlsAUspZj8M9zzOcjaml3/KSuNAae73TOOEk
-0vpPVz2TFMK2MLxHzMVO3a9QvnU9MfYcNO+JpMRRhN8
--> ssh-ed25519 34g70A 28ldud+S2mz83kcIkEGv5XWWOdXUN/vetsqho7kiCh4
-/P+hJqj9r3KEi0VD15yg0MHyy0XgYUU5/zpMRrLaysM
--> .-grease }}M
-ennsvHEhRup8I8R23GPWlILkCIMZmAuMT2F22SQPdjU
---- e6u1rsLXltysnQqp3x73HfHLhqzTfkIV3mXaCtW1cxE
-!NiA喳Oタ4瘏P&髟廃	戒FF囿埴<E59BBF>Rrz崗牴<E5B497>
+-> ssh-ed25519 aXKGcg GOH3LtzLreBjV2qMfbYqSTydeFe3moA8dHIkFndmlBY
+nCtgAiWujzv0jrjkL8hHOeBOHiAcqUi/8NgsKqdR8ZQ
+-> ssh-ed25519 34g70A xII2rIlNqf+LWLTeMhGMNjg0LVvoL7Ui85qahFxocXk
+8c8WrDfhWvHwf91y98GKJufEWwDdPbLl45ZOtygph7g
+-> ssh-ed25519 OaL1CA YNrzdmFNxdx9jxjhS4aLS81eykPFM9nx1JdBgJGzxj0
+Xu9jfvZxFf4pjksKHfFgFfujIBK8wfx+lO4ETdG7U4I
+-> EiWdsS6$-grease zxtU?v1
+JY//K9SibZZd0YHkB9HIBibhTM7tuK7EZ1Svi9Vl0t0kUiCPmZ93nEK1ORLOScDX
+I7BWEdk6aarK
+--- EqG+3UW7kN33+kxYo62sADBhPP3nZRzeFu8XCTUXfWI
+渺僴I"ﾊﾂ?~ｿｰo<1A>l<EFBFBD>6凭<36>ﾐ鄒]:pvﾁ5ｩｹ<EFBDA9>