Add RPostgres to renv.

And update its dependencies.

renv.lock

@@ -1,6 +1,6 @@
 {
   "R": {
-    "Version": "4.0.0",
+    "Version": "4.1.2",
     "Repositories": [
       {
         "Name": "CRAN",
@@ -93,12 +93,19 @@
       "Repository": "CRAN",
       "Hash": "0e4f634f2bb38e325717d384a877ccc0"
     },
-    "Rcpp": {
-      "Package": "Rcpp",
-      "Version": "1.0.5",
+    "RPostgres": {
+      "Package": "RPostgres",
+      "Version": "1.4.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "125dc7a0ed375eb68c0ce533b48d291f"
+      "Hash": "dcc7c6bfb144ff8723f7d525ca4a39f0"
+    },
+    "Rcpp": {
+      "Package": "Rcpp",
+      "Version": "1.0.7",
+      "Source": "Repository",
+      "Repository": "CRAN",
+      "Hash": "dab19adae4440ae55aa8a9d238b246bb"
     },
     "RcppArmadillo": {
       "Package": "RcppArmadillo",
@@ -354,10 +361,10 @@
     },
     "ellipsis": {
       "Package": "ellipsis",
-      "Version": "0.3.1",
+      "Version": "0.3.2",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "fd2844b3a43ae2d27e70ece2df1b4e2a"
+      "Hash": "bb0eec2fe32e88d9e2836c2f73ea2077"
     },
     "entropy": {
       "Package": "entropy",
@@ -529,10 +536,10 @@
     },
     "hms": {
       "Package": "hms",
-      "Version": "0.5.3",
+      "Version": "1.1.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "726671f634529d470545f9fd1a9d1869"
+      "Hash": "5b8a2dd0fdbe2ab4f6081e6c7be6dfca"
     },
     "htmlTable": {
       "Package": "htmlTable",
@@ -1166,10 +1173,10 @@
     },
     "vctrs": {
       "Package": "vctrs",
-      "Version": "0.3.6",
+      "Version": "0.3.8",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "5cf1957f93076c19fdc81d01409d240b"
+      "Hash": "ecf749a1b39ea72bd9b51b76292261f1"
     },
     "viridis": {
       "Package": "viridis",