tree-wide: bump edition to 2021

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

diff --git a/proxmox-rrd/Cargo.toml b/proxmox-rrd/Cargo.toml
index c9caf7d5e923898f54ee06b91d8d6f0c25378beb..4e9bb317218c14a6087a1854d1d1a56c2cfcc41e 100644 (file)
--- a/proxmox-rrd/Cargo.toml
+++ b/proxmox-rrd/Cargo.toml
@@ -2,7 +2,7 @@
 name = "proxmox-rrd"
 version = "0.1.0"
 authors = ["Proxmox Support Team <support@proxmox.com>"]
-edition = "2018"
+edition = "2021"
 license = "AGPL-3"
 description = "Simple RRD database implementation."