Add full libc requirement and print float in sample

The requirement is added to node library. Printing the float variable
in the sample allows to quickly check if float printing is enabled
(this is not the default even for full libc).

samples/counter/src/main.c

@@ -9,10 +9,12 @@
 #include "thingset/sdk.h"
 
 static uint32_t counter;
+static float pi = 3.14F;
 
 #define APP_ID_SAMPLE          0x05
 #define APP_ID_SAMPLE_RCOUNTER 0x050
 #define APP_ID_SAMPLE_WCOUNTER 0x051
+#define APP_ID_SAMPLE_CPI      0x052
 
 THINGSET_ADD_GROUP(TS_ID_ROOT, APP_ID_SAMPLE, "Sample", THINGSET_NO_CALLBACK);
 
@@ -22,6 +24,9 @@ THINGSET_ADD_ITEM_UINT32(APP_ID_SAMPLE, APP_ID_SAMPLE_RCOUNTER, "rCounter", &cou
 THINGSET_ADD_ITEM_UINT32(APP_ID_SAMPLE, APP_ID_SAMPLE_WCOUNTER, "wCounter", &counter,
                          THINGSET_ANY_RW, TS_SUBSET_LIVE | TS_SUBSET_SUMMARY);
 
+THINGSET_ADD_ITEM_FLOAT(APP_ID_SAMPLE, APP_ID_SAMPLE_CPI, "cPi", &pi, 2, THINGSET_ANY_R,
+                        TS_SUBSET_LIVE | TS_SUBSET_SUMMARY);
+
 int main(void)
 {
     while (true) {

west.yml

@@ -27,6 +27,6 @@ manifest:
           - picolibc
     - name: thingset-node-c
       remote: thingset
-      revision: 961bb0ba4c2087499c9ce4ac91173dcce03e5b7a
+      revision: 0f97b99eb061848cd9b7b4ea242f95c7b254f3c4
       path: modules/thingset-node-c
       import: true