docs: update 1.0.3 checksums

Author: Vonng

docs/release.md

@@ -45,6 +45,20 @@ The latest stable version of `pg_exporter` is [v1.0.3](https://github.com/pgsty/
 
 https://github.com/pgsty/pg_exporter/releases/download/v1.0.3/checksums.txt
 
+```bash
+7efa1a77dfd5b94813c32c7ac015b1d479b1f04fb958f6b1ed5af333e354d015  pg-exporter_1.0.3-1_amd64.deb
+41e18bf18eba2ab90ac371bfb46e9152da9fe628ebd8e26766cac08325eb3b07  pg-exporter_1.0.3-1_arm64.deb
+7da8ed738d254c120d42aa51d6137f84e7f4e3188bc764d4f9a1438220363a43  pg-exporter_1.0.3-1_ppc64le.deb
+a214b555981156da7b7d248b1f728f8ac88a07ac8f77a66c5d8e43b40670d6b4  pg_exporter-1.0.3-1.aarch64.rpm
+d876fc66e208612ebffe3c43dabce88b088d915f92584260d710b85a3a131413  pg_exporter-1.0.3-1.ppc64le.rpm
+75f62d314fec50c836c534996c884d25ecea77810ab33e7ba0e9c4b783e775b4  pg_exporter-1.0.3-1.x86_64.rpm
+47829a19707284bcee1b8dc47cc7d0172398bb533e6b4043950f787486712769  pg_exporter-1.0.3.darwin-amd64.tar.gz
+38b6ccb72315cadea542b1f2a7b7022d0e8d48ffd4ab177bb69a0a909b99af6b  pg_exporter-1.0.3.darwin-arm64.tar.gz
+36e8dff84d61a7593ff1fcec567ca4ffeaecd0be2f9eabd227ceac71b12a919a  pg_exporter-1.0.3.linux-amd64.tar.gz
+6477e8ef873773a09c4f39a29444f21b5b2c71e717e52ca425bcc8e8e5448791  pg_exporter-1.0.3.linux-arm64.tar.gz
+a083b51ebed2b280e2eaa0f19558494e7fa6f122a0a86a1d117206fcd090820c  pg_exporter-1.0.3.linux-ppc64le.tar.gz
+a1f9b27b7190f478726d96f270a72d9dc4d3f2bcc3b0326b7c4a2607e62ea588  pg_exporter-1.0.3.windows-amd64.tar.gz
+```
 
 
 ## v1.0.2